Similarly to find the Palette
240000 2417B7 PAL No No "Character, NPC, Enemy palettes (12 colors each)"
Each pallette is 2 bytes long.
Nizbel's pallette number in Chrono Tweaker is 186.
So multiply 186 times 24, and you'll get 4464. Which is 1170 in hex.
Add that to 240000 and you'll get 241170, which is probably Nizbel's Palette